diff --git a/src/org/linphone/LinphoneActivity.java b/src/org/linphone/LinphoneActivity.java
index 0cc0702ef..67466e288 100644
--- a/src/org/linphone/LinphoneActivity.java
+++ b/src/org/linphone/LinphoneActivity.java
@@ -257,7 +257,7 @@ public class LinphoneActivity extends LinphoneGenericActivity implements OnClick
 			}
 		};
 
-		int missedCalls = LinphoneManager.getLc().getMissedCallsCount();
+		int missedCalls = (LinphoneManager.getInstance() != null) ? LinphoneManager.getLc().getMissedCallsCount() : 0;
 		displayMissedCalls(missedCalls);
 
 		int rotation = getWindowManager().getDefaultDisplay().getRotation();
@@ -276,7 +276,9 @@ public class LinphoneActivity extends LinphoneGenericActivity implements OnClick
 			break;
 		}
 
-		LinphoneManager.getLc().setDeviceRotation(rotation);
+		if (LinphoneManager.getInstance() != null) {
+			LinphoneManager.getLc().setDeviceRotation(rotation);
+		}
 		mAlwaysChangingPhoneAngle = rotation;
 	}
 
diff --git a/src/org/linphone/LinphonePreferences.java b/src/org/linphone/LinphonePreferences.java
index 36ecfca49..6a57d2acf 100644
--- a/src/org/linphone/LinphonePreferences.java
+++ b/src/org/linphone/LinphonePreferences.java
@@ -1269,7 +1269,8 @@ public class LinphonePreferences {
 	// End of tunnel settings
 
 	public boolean isProvisioningLoginViewEnabled() {
-		return getConfig().getBool("app", "show_login_view", false);
+
+		return (getConfig() != null) ? getConfig().getBool("app", "show_login_view", false) : false;
 	}
 
 	public void disableProvisioningLoginView() {